5930-00-079-3480 SWITCH,SENSITIVE Index 5306-00-079-3483 BOLT,MACHINE

National Stock Number:
5306-00-079-3482

Federal Supply Class:
5306

National Item Identification Number:
000793482

Description:
BOLT,MACHINE

Detail:
An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, BOLT, SHEAR. See also SCREW, CAP, HEXAGON HEAD and SCREW, MACHINE.


Manufacturer Information:
AN17-42A88044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
AN17-4388044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE


Techincal Specification:
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH4.625 INCHES NOMINAL
MATERIALSTEEL OVERALL
THREAD LENGTH2.375 INCHES MINIMUM
HEAD STYLEHEXAGON
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER1.000 INCHES
THREAD QUANTITY PER INCH12
THREAD CLASS3A
SURFACE TREATMENTCADMIUM AND
CHROMATE OVERALL
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND
32.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
HEAD HEIGHT0.515 INCHES MINIMUM AND
0.547 INCHES MAXIMUM
WIDTH BETWEEN FLATS1.428 INCHES MINIMUM AND
1.441 INCHES MAXIMUM
GRIP LENGTH2.250 INCHES NOMINAL
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER3.343 INCHES NOMINAL FIRST HOLE
SHANK UNTHREADED HOLE DIAMETER0.141 INCHES NOMINAL FIRST HOLE
FEATURES PROVIDEDFINISHED HEAD
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE88044
DEFINITIVE GOVERNMENT SPEC/STD REFERENCEAN17-43


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